DENNIS ODA / DODA@STARBULLETIN.COM
About 150 students from Oahu high schools challenged each other Saturday in the 19th Annual Hawaii Physics Olympics & Regional Bridge Building Contest at the University of Hawaii. The events were designed and run by undergraduate students from UH-Manoa, Kapiolani Community College and Brigham Young University-Hawaii.

Lynsey Overstreet of Sacred Hearts Academy ran to retrieve her ball after shooting it with a slingshot to knock over plastic bottles. Students from McKinley High School and Sacred Hearts watched, cheered and got a good laugh during the competition.

DENNIS ODA / DODA@STARBULLETIN.COM
Kaimuki High students Tiffany Maegawa, Cassie Lorrin, Jennifer Kua and Sandra Garganta tried to drop balls into a moving cup in the Aerial Strike competition.

DENNIS ODA / DODA@STARBULLETIN.COM
BYU-Hawaii physics student helpers Luis Torrentera, left front, and Mairpinela Cervantes, along with Farrington High School students Princess Rosit, Minh Tran Nguyen, Laura Domingo, Jodessa Lanzaderes and Ralph Ventura, cheered as they competed in the Paper Boat Race.